The Sirius battery charger is perfect to charge traction and pb batteries which have a middle-great capacity.

The battery chargers of the CEMB-EASY 3000 series are designed to recharge
medium capacity traction and start lead-acid batteries and are the result of the
founding members’ fourty-year experience in the field of battery chargers,

The battery chargers of the Compact 3000 series are designed to recharge
medium - large capacity traction and start lead-acid batteries and are the result
of the founding members’ fourty-year experience in the field of battery
chargers

The battery chargers of the DIGIT3001 series are designed to recharge medium -
large capacity traction and start lead-acid batteries and are the result of the founding
members’ fourty-year experience in the field of battery chargers